EXHAUST GAS PURIFYING CATALYST SYSTEM

• Main Authors: IWAKUNI HIDEHARU, MIYOSHI SEIJI, SHIGETSU MASAHIKO, MINOSHIMA KOJI, TAKAMI AKIHIDE
• Format: Patent
• Language: English
• Published: 02.04.2009
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

Disclosed is an exhaust gas purifying catalyst system, which comprises an upstream catalyst disposed in an exhaust gas passage of an engine at a position on an upstream side with respect to a direction of an exhaust gas stream, and a downstream catalyst disposed in the exhaust gas passage at a posit...